Link.where(tail_uuid: @sourcedata.keys).each do |link|
if link.link_class == 'data_origin'
@sourcedata[link.tail_uuid][:data_origins] ||= []
Link.where(tail_uuid: @sourcedata.keys).each do |link|
if link.link_class == 'data_origin'
@sourcedata[link.tail_uuid][:data_origins] ||= []